DragonFlyBSD 3.2 vs. Linux Intel Multi-Core Scaling

Intel Core i7-3960X testing on DragonFlyBSD 3.2.1 and Ubuntu 12.10 via the Phoronix Test Suite. lookign at the multi-threaded OS performance for a future article on Phoronix.com.

Compare your own system(s) to this result file with the Phoronix Test Suite by running the command: phoronix-test-suite benchmark 1212083-RA-BSDSCALES74
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C/C++ Compiler Tests 4 Tests
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DragonFlyBSD 3.0.3: 1 Thread
November 15 2012
 
DragonFlyBSD 3.0.3: 2 Threads
November 15 2012
 
DragonFlyBSD 3.0.3: 3 Threads
November 15 2012
 
DragonFlyBSD 3.0.3: 4 Threads
November 15 2012
 
DragonFlyBSD 3.0.3: 6 Threads
November 15 2012
 
DragonFlyBSD 3.0.3: 12 Threads
November 15 2012
 
DragonFlyBSD 3.2.1: 1 Thread
November 05 2012
 
DragonFlyBSD 3.2.1: 2 Threads
November 05 2012
 
DragonFlyBSD 3.2.1: 3 Threads
November 05 2012
 
DragonFlyBSD 3.2.1: 4 Threads
November 05 2012
 
DragonFlyBSD 3.2.1: 6 Threads
November 05 2012
 
DragonFlyBSD 3.2.1: 12 Threads
November 05 2012
 
Ubuntu 12.10: 1 Thread
November 13 2012
 
Ubuntu 12.10: 2 Threads
November 12 2012
 
Ubuntu 12.10: 3 Threads
November 12 2012
 
Ubuntu 12.10: 4 Threads
November 12 2012
 
Ubuntu 12.10: 6 Threads
November 12 2012
 
Ubuntu 12.10: 12 Threads
November 12 2012
 
CentOS 6.3: 1 Thread
November 15 2012
 
CentOS 6.3: 2 Threads
November 15 2012
 
CentOS 6.3: 3 Threads
November 15 2012
 
CentOS 6.3: 4 Threads
November 15 2012
 
CentOS 6.3: 6 Threads
November 15 2012
 
CentOS 6.3: 12 Threads
November 15 2012
 
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ProcessorMemoryDiskMotherboardChipsetGraphicsAudioMonitorNetworkOSKernelCompilerFile-SystemDesktopDisplay ServerDisplay DriverOpenGLScreen ResolutionDragonFlyBSD 3.0.3DragonFlyBSD 3.2.1Ubuntu 12.10CentOS 6.3 1 Thread 2 Threads 3 Threads 4 Threads 6 Threads 12 Threads 1 Thread 2 Threads 3 Threads 4 Threads 6 Threads 12 Threads 1 Thread 2 Threads 3 Threads 4 Threads 6 Threads 12 Threads 1 Thread 2 Threads 3 Threads 4 Threads 6 Threads 12 ThreadsIntel Core i7-3960X @ 3.30GHz (1 Core)8192MBSATA OCZ VERTEX 1.30DragonFly3.0-RELEASE (x86_64)GCC 4.4.7hammerIntel Core i7-3960X @ 3.30GHz (2 Cores)Intel Core i7-3960X @ 3.30GHz (3 Cores)Intel Core i7-3960X @ 3.30GHz (4 Cores)Intel Core i7-3960X @ 3.30GHz (6 Cores)Intel Core i7-3960X @ 3.30GHz (12 Cores)Intel Core i7-3960X @ 3.30GHz (1 Core)3.2-RELEASE (x86_64)UnknownIntel Core i7-3960X @ 3.30GHz (2 Cores)Intel Core i7-3960X @ 3.30GHz (3 Cores)Intel Core i7-3960X @ 3.30GHz (4 Cores)Intel Core i7-3960X @ 3.30GHz (6 Cores)Intel Core i7-3960X @ 3.30GHz (12 Cores)Intel Core i7-3960X @ 3.30GHz (1 Core)Intel DX79SIIntel Xeon E5/Core64GB OCZ VERTEXAMD Radeon HD 4650 512MBRealtek ALC892DELL S2409WIntel 82579LM Gigabit ConnectionUbuntu 12.103.5.0-17-generic (x86_64)Unity 6.8.0X Server 1.13.0radeon 6.99.992.1 Mesa 9.0 Gallium 0.4ext41920x1080Intel Core i7-3960X @ 3.30GHz (2 Cores)Intel Core i7-3960X @ 3.30GHz (3 Cores)Intel Core i7-3960X @ 3.30GHz (4 Cores)Intel Core i7-3960X @ 3.30GHz (6 Cores)Intel Core i7-3960X @ 3.30GHz (12 Cores)Intel Core i7-3960X @ 3.30GHz (1 Core)Intel C600/X79CentOS 6.32.6.32-279.el6.x86_64 (x86_64)GNOME 2.28.2X Server 1.10.6radeon 6.14.22.1 Mesa 7.11 Gallium 0.4GCC 4.4.6 20120305Intel Core i7-3960X @ 3.30GHz (2 Cores)Intel Core i7-3960X @ 3.30GHz (3 Cores)Intel Core i7-3960X @ 3.30GHz (4 Cores)Intel Core i7-3960X @ 3.30GHz (6 Cores)Intel Core i7-3960X @ 3.30GHz (12 Cores)OpenBenchmarking.orgCompiler Details- Ubuntu 12.10: 1 Thread: --build=x86_64-linux-gnu --disable-werror --enable-checking=release --enable-clocale=gnu --enable-gnu-unique-object --enable-languages=c,c++,go,fortran,objc,obj-c++ --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-nls --enable-objc-gc --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --target=x86_64-linux-gnu --with-arch-32=i686 --with-tune=generic -v- Ubuntu 12.10: 2 Threads: --build=x86_64-linux-gnu --disable-werror --enable-checking=release --enable-clocale=gnu --enable-gnu-unique-object --enable-languages=c,c++,go,fortran,objc,obj-c++ --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-nls --enable-objc-gc --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --target=x86_64-linux-gnu --with-arch-32=i686 --with-tune=generic -v- Ubuntu 12.10: 3 Threads: --build=x86_64-linux-gnu --disable-werror --enable-checking=release --enable-clocale=gnu --enable-gnu-unique-object --enable-languages=c,c++,go,fortran,objc,obj-c++ --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-nls --enable-objc-gc --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --target=x86_64-linux-gnu --with-arch-32=i686 --with-tune=generic -v- Ubuntu 12.10: 4 Threads: --build=x86_64-linux-gnu --disable-werror --enable-checking=release --enable-clocale=gnu --enable-gnu-unique-object --enable-languages=c,c++,go,fortran,objc,obj-c++ --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-nls --enable-objc-gc --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --target=x86_64-linux-gnu --with-arch-32=i686 --with-tune=generic -v- Ubuntu 12.10: 6 Threads: --build=x86_64-linux-gnu --disable-werror --enable-checking=release --enable-clocale=gnu --enable-gnu-unique-object --enable-languages=c,c++,go,fortran,objc,obj-c++ --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-nls --enable-objc-gc --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --target=x86_64-linux-gnu --with-arch-32=i686 --with-tune=generic -v- Ubuntu 12.10: 12 Threads: --build=x86_64-linux-gnu --disable-werror --enable-checking=release --enable-clocale=gnu --enable-gnu-unique-object --enable-languages=c,c++,go,fortran,objc,obj-c++ --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-nls --enable-objc-gc --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --target=x86_64-linux-gnu --with-arch-32=i686 --with-tune=generic -v- CentOS 6.3: 1 Thread: --build=x86_64-redhat-linux --disable-dssi --disable-libjava-multilib --disable-libunwind-exceptions --enable-__cxa_atexit --enable-bootstrap --enable-checking=release --enable-gnu-unique-object --enable-java-awt=gtk --enable-java-maintainer-mode --enable-languages=c,c++,objc,obj-c++,java,fortran,ada --enable-libgcj-multifile --enable-shared --enable-threads=posix --mandir=/usr/share/man --with-arch_32=i686 --with-cloog --with-ecj-jar=/usr/share/java/eclipse-ecj.jar --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-1.5.0.0/jre --with-ppl --with-tune=generic- CentOS 6.3: 2 Threads: --build=x86_64-redhat-linux --disable-dssi --disable-libjava-multilib --disable-libunwind-exceptions --enable-__cxa_atexit --enable-bootstrap --enable-checking=release --enable-gnu-unique-object --enable-java-awt=gtk --enable-java-maintainer-mode --enable-languages=c,c++,objc,obj-c++,java,fortran,ada --enable-libgcj-multifile --enable-shared --enable-threads=posix --mandir=/usr/share/man --with-arch_32=i686 --with-cloog --with-ecj-jar=/usr/share/java/eclipse-ecj.jar --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-1.5.0.0/jre --with-ppl --with-tune=generic- CentOS 6.3: 3 Threads: --build=x86_64-redhat-linux --disable-dssi --disable-libjava-multilib --disable-libunwind-exceptions --enable-__cxa_atexit --enable-bootstrap --enable-checking=release --enable-gnu-unique-object --enable-java-awt=gtk --enable-java-maintainer-mode --enable-languages=c,c++,objc,obj-c++,java,fortran,ada --enable-libgcj-multifile --enable-shared --enable-threads=posix --mandir=/usr/share/man --with-arch_32=i686 --with-cloog --with-ecj-jar=/usr/share/java/eclipse-ecj.jar --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-1.5.0.0/jre --with-ppl --with-tune=generic- CentOS 6.3: 4 Threads: --build=x86_64-redhat-linux --disable-dssi --disable-libjava-multilib --disable-libunwind-exceptions --enable-__cxa_atexit --enable-bootstrap --enable-checking=release --enable-gnu-unique-object --enable-java-awt=gtk --enable-java-maintainer-mode --enable-languages=c,c++,objc,obj-c++,java,fortran,ada --enable-libgcj-multifile --enable-shared --enable-threads=posix --mandir=/usr/share/man --with-arch_32=i686 --with-cloog --with-ecj-jar=/usr/share/java/eclipse-ecj.jar --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-1.5.0.0/jre --with-ppl --with-tune=generic- CentOS 6.3: 6 Threads: --build=x86_64-redhat-linux --disable-dssi --disable-libjava-multilib --disable-libunwind-exceptions --enable-__cxa_atexit --enable-bootstrap --enable-checking=release --enable-gnu-unique-object --enable-java-awt=gtk --enable-java-maintainer-mode --enable-languages=c,c++,objc,obj-c++,java,fortran,ada --enable-libgcj-multifile --enable-shared --enable-threads=posix --mandir=/usr/share/man --with-arch_32=i686 --with-cloog --with-ecj-jar=/usr/share/java/eclipse-ecj.jar --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-1.5.0.0/jre --with-ppl --with-tune=generic- CentOS 6.3: 12 Threads: --build=x86_64-redhat-linux --disable-dssi --disable-libjava-multilib --disable-libunwind-exceptions --enable-__cxa_atexit --enable-bootstrap --enable-checking=release --enable-gnu-unique-object --enable-java-awt=gtk --enable-java-maintainer-mode --enable-languages=c,c++,objc,obj-c++,java,fortran,ada --enable-libgcj-multifile --enable-shared --enable-threads=posix --mandir=/usr/share/man --with-arch_32=i686 --with-cloog --with-ecj-jar=/usr/share/java/eclipse-ecj.jar --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-1.5.0.0/jre --with-ppl --with-tune=genericProcessor Details- Ubuntu 12.10: 1 Thread, Ubuntu 12.10: 2 Threads, Ubuntu 12.10: 3 Threads, Ubuntu 12.10: 4 Threads, Ubuntu 12.10: 6 Threads, Ubuntu 12.10: 12 Threads, CentOS 6.3: 1 Thread, CentOS 6.3: 2 Threads, CentOS 6.3: 3 Threads, CentOS 6.3: 4 Threads, CentOS 6.3: 6 Threads, CentOS 6.3: 12 Threads: Scaling Governor: ondemandSystem Details- Ubuntu 12.10: 1 Thread: Compiz was running on this system.- Ubuntu 12.10: 2 Threads: Compiz was running on this system.- Ubuntu 12.10: 3 Threads: Compiz was running on this system.- Ubuntu 12.10: 4 Threads: Compiz was running on this system.- Ubuntu 12.10: 6 Threads: Compiz was running on this system.- Ubuntu 12.10: 12 Threads: Compiz was running on this system.- CentOS 6.3: 1 Thread: SELinux: Enabled.- CentOS 6.3: 2 Threads: SELinux: Enabled.- CentOS 6.3: 3 Threads: SELinux: Enabled.- CentOS 6.3: 4 Threads: SELinux: Enabled.- CentOS 6.3: 6 Threads: SELinux: Enabled.- CentOS 6.3: 12 Threads: SELinux: Enabled.

himeno: Poisson Pressure Solverbuild-php: Time To Compilec-ray: Total Timegraphics-magick: Blurgraphics-magick: Sharpengraphics-magick: Resizinggraphics-magick: HWB Color Spacegraphics-magick: Local Adaptive ThresholdingDragonFlyBSD 3.0.3DragonFlyBSD 3.2.1Ubuntu 12.10CentOS 6.3 1 Thread 2 Threads 3 Threads 4 Threads 6 Threads 12 Threads 1 Thread 2 Threads 3 Threads 4 Threads 6 Threads 12 Threads 1 Thread 2 Threads 3 Threads 4 Threads 6 Threads 12 Threads 1 Thread 2 Threads 3 Threads 4 Threads 6 Threads 12 Threads718.86103.28211.51717.9860.49105.77719.5944.4770.65719.1737.2052.93709.7129.6635.35716.9924.9532.17719.35101.20214.774016537940719.3158.95107.404016537940719.4744.2171.654016537939718.9836.4553.794016537940710.6827.8635.914016537940717.8723.3032.4640165379391382.4689.96216.55461764106441433.3349.83106.82723199142711451.9436.8471.398943121161901436.3030.9853.55101531361721051429.7825.0335.72117711551851231367.8722.3131.581391051721921361586.7481.54212.75461765106441660.4344.69106.177431102145731652.6832.8370.819243125165931648.9728.6853.10105541401771081592.3923.2435.41122721601911281639.5521.1632.50137102163184134OpenBenchmarking.org

Himeno Benchmark

The Himeno benchmark is a linear solver of pressure Poisson using a point-Jacobi method. Learn more via the OpenBenchmarking.org test page.

CentOS 6.3Ubuntu 12.10DragonFlyBSD 3.0.3DragonFlyBSD 3.2.1OpenBenchmarking.orgMFLOPS, More Is BetterHimeno Benchmark 3.0Poisson Pressure Solver2 Threads3 Threads4 Threads12 Threads6 Threads1 Thread400800120016002000SE +/- 23.92, N = 3SE +/- 24.25, N = 5SE +/- 8.64, N = 3SE +/- 37.82, N = 6SE +/- 9.78, N = 3SE +/- 28.06, N = 3SE +/- 24.11, N = 6SE +/- 26.60, N = 6SE +/- 25.27, N = 6SE +/- 9.98, N = 3SE +/- 36.63, N = 6SE +/- 8.83, N = 3SE +/- 0.16, N = 3SE +/- 0.10, N = 3SE +/- 0.08, N = 3SE +/- 0.49, N = 3SE +/- 0.34, N = 3SE +/- 9.56, N = 3SE +/- 0.38, N = 3SE +/- 0.45, N = 3SE +/- 0.03, N = 3SE +/- 0.27, N = 3SE +/- 0.22, N = 3SE +/- 8.45, N = 31660.431652.681648.971639.551592.391586.741451.941436.301433.331429.781382.461367.87719.59719.17718.86717.98716.99709.71719.47719.35719.31718.98717.87710.681. (CC) gcc options: -O3

Timed PHP Compilation

CentOS 6.3Ubuntu 12.10DragonFlyBSD 3.2.1DragonFlyBSD 3.0.3OpenBenchmarking.orgSeconds, Fewer Is BetterTimed PHP Compilation 5.2.9Time To Compile12 Threads6 Threads4 Threads3 Threads2 Threads1 Thread20406080100SE +/- 0.01, N = 3SE +/- 0.05, N = 3SE +/- 0.13, N = 3SE +/- 0.04, N = 3SE +/- 0.01, N = 3SE +/- 0.03, N = 3SE +/- 0.02, N = 3SE +/- 0.04, N = 3SE +/- 0.21, N = 3SE +/- 0.03, N = 3SE +/- 0.04, N = 3SE +/- 0.02, N = 3SE +/- 0.20, N = 3SE +/- 0.11, N = 3SE +/- 0.21, N = 3SE +/- 0.15, N = 3SE +/- 0.22, N = 3SE +/- 0.10, N = 3SE +/- 0.07, N = 3SE +/- 0.03, N = 3SE +/- 0.08, N = 3SE +/- 0.12, N = 3SE +/- 0.15, N = 3SE +/- 0.11, N = 3SE +/- 0.07, N = 321.1623.2428.6832.8344.6981.5422.3125.0330.9836.8449.8389.9623.3023.3927.8636.4544.2158.95101.2024.9529.6637.2044.4760.49103.281. (CC) gcc options: -O2 -pedantic -ldl -lz -lm

C-Ray

This is a test of C-Ray, a simple raytracer designed to test the floating-point CPU performance. This test is multi-threaded (16 threads per core), will shoot 8 rays per pixel for anti-aliasing, and will generate a 1600 x 1200 image. Learn more via the OpenBenchmarking.org test page.

Ubuntu 12.10DragonFlyBSD 3.0.3DragonFlyBSD 3.2.1CentOS 6.3OpenBenchmarking.orgSeconds, Fewer Is BetterC-Ray 1.1Total Time12 Threads6 Threads4 Threads3 Threads2 Threads1 Thread50100150200250SE +/- 0.07, N = 3SE +/- 0.01, N = 3SE +/- 0.03, N = 3SE +/- 0.06, N = 3SE +/- 0.01, N = 3SE +/- 3.01, N = 6SE +/- 0.08, N = 3SE +/- 0.02, N = 3SE +/- 0.02, N = 3SE +/- 0.03, N = 3SE +/- 0.03, N = 3SE +/- 0.09, N = 3SE +/- 0.01, N = 3SE +/- 0.04, N = 3SE +/- 0.02, N = 3SE +/- 0.02, N = 3SE +/- 0.02, N = 3SE +/- 0.01, N = 3SE +/- 0.02, N = 3SE +/- 0.02, N = 3SE +/- 0.02, N = 3SE +/- 0.01, N = 3SE +/- 0.02, N = 3SE +/- 0.84, N = 331.5835.7253.5571.39106.82216.5532.1735.3552.9370.65105.77211.5132.4635.9153.7971.65107.40214.7732.5035.4153.1070.81106.17212.751. (CC) gcc options: -lm -lpthread -O3

GraphicsMagick

Ubuntu 12.10CentOS 6.3DragonFlyBSD 3.2.1OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.16Operation: Blur12 Threads6 Threads4 Threads3 Threads2 Threads1 Thread306090120150SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.33, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.67, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 31391171018972461371221059274464040404040401. (CC) gcc options: -std=gnu99 -fopenmp -O2 -pthread -lz -lm -lgomp -lpthread

Ubuntu 12.10CentOS 6.3DragonFlyBSD 3.2.1OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.16Operation: Sharpen12 Threads6 Threads4 Threads3 Threads2 Threads1 Thread20406080100SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.33, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.33, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3105715343311710272544331171616161616161. (CC) gcc options: -std=gnu99 -fopenmp -O2 -pthread -lz -lm -lgomp -lpthread

Ubuntu 12.10CentOS 6.3DragonFlyBSD 3.2.1OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.16Operation: Resizing12 Threads6 Threads4 Threads3 Threads2 Threads1 Thread4080120160200SE +/- 0.33, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.33, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 31721551361219964163160140125102655353535353531. (CC) gcc options: -std=gnu99 -fopenmp -O2 -pthread -lz -lm -lgomp -lpthread

Ubuntu 12.10CentOS 6.3DragonFlyBSD 3.2.1OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.16Operation: HWB Color Space12 Threads6 Threads4 Threads3 Threads2 Threads1 Thread4080120160200SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.33, N = 3SE +/- 0.00, N = 3SE +/- 0.33, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.33, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 31921851721611421061911841771651451067979797979791. (CC) gcc options: -std=gnu99 -fopenmp -O2 -pthread -lz -lm -lgomp -lpthread

Ubuntu 12.10CentOS 6.3DragonFlyBSD 3.2.1OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.16Operation: Local Adaptive Thresholding12 Threads6 Threads4 Threads3 Threads2 Threads1 Thread306090120150SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.33, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.33, N = 3SE +/- 0.33, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 31361231059071441341281089373444040404039391. (CC) gcc options: -std=gnu99 -fopenmp -O2 -pthread -lz -lm -lgomp -lpthread